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PLC Design Solutions

Littelfuse Programmable Logic Controller (PLC) Design Solutions feature products that address the evolving demands of industrial automation, artificial intelligence (AI), machine learning (ML), renewable energy, and electric vehicles (EVs). These PLC circuit protection and power control products are designed to meet these challenges with precision and reliability. The components improve system uptime and resilience, from safeguarding power supplies to ensuring the reliable switching of loads. This PLC Design Solutions lineup from Littelfuse helps streamline designs and speed up time to market while ensuring compliance with global safety standards.

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Part #

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500K-2
Littelfuse
1: $0.89
5,940In Stock

Mfr. Part No.
RUEF500K-2

Mouser Part No
650-RUEF500K-2

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

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Datasheet

5,940In Stock

Cut Tape

$0.89

$0.821

$0.681

$0.629

View

Reel

$0.405

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 6A 30V 100A Imax

RUEF600
Littelfuse
1: $0.78
15,801In Stock
12,250Expected 21/12/2026

Mfr. Part No.
RUEF600

Mouser Part No
650-RUEF600

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

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Datasheet

15,801In Stock

12,250Expected 21/12/2026

$0.78

$0.72

$0.594

$0.537

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 7A 30V 100A Imax

RUEF700
Littelfuse
1: $0.86
11,196In Stock

Mfr. Part No.
RUEF700

Mouser Part No
650-RUEF700

Littelfuse

Resettable Fuses - PPTC 7A 30V 100A Imax

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Datasheet

11,196In Stock

$0.86

$0.788

$0.654

$0.604

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 8A 30V 100A Imax

RUEF800
Littelfuse
1: $0.94
5,912In Stock

Mfr. Part No.
RUEF800

Mouser Part No
650-RUEF800

Littelfuse

Resettable Fuses - PPTC 8A 30V 100A Imax

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Datasheet

5,912In Stock

$0.94

$0.856

$0.698

$0.659

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 9A 30V 100A Imax

RUEF900
Littelfuse
1: $1.22
18,332In Stock

Mfr. Part No.
RUEF900

Mouser Part No
650-RUEF900

Littelfuse

Resettable Fuses - PPTC 9A 30V 100A Imax

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Datasheet

18,332In Stock

$1.22

$1.13

$0.868

$0.827

View

Min.: 1
Mult.: 1

Coded Rotary Switches 4Pos SP4T, Thru Hole RTE DIP Switch

RTE0400V04
C&K
1: $4.22
3,333In Stock

Mfr. Part No.
RTE0400V04

Mouser Part No
611-RTE0400V04

C&K

Coded Rotary Switches 4Pos SP4T, Thru Hole RTE DIP Switch

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Datasheet

3,333In Stock

$4.22

$3.53

$3.27

$2.92

View

Min.: 1
Mult.: 1

Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW

RTE1600V44
C&K
1: $4.51
3,023In Stock

Mfr. Part No.
RTE1600V44

Mouser Part No
611-RTE1600V44

C&K

Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW

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Datasheet

3,023In Stock

$4.51

$4.21

$3.90

$3.34

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090-2
Littelfuse
1: $0.54
4,888In Stock

Mfr. Part No.
RUEF090-2

Mouser Part No
650-RUEF090-2

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

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Datasheet

4,888In Stock

Cut Tape

$0.54

$0.479

$0.413

$0.361

View

Reel

$0.233

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 30V 900MA 100A RUEF

RUEF090-AP
Littelfuse
1: $0.47
1,564In Stock

Mfr. Part No.
RUEF090-AP

Mouser Part No
650-RUEF090-AP

Littelfuse

Resettable Fuses - PPTC 30V 900MA 100A RUEF

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Datasheet

1,564In Stock

Cut Tape

$0.47

$0.426

$0.354

$0.327

View

Reel

$0.249

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 30V 100A Imax

RUEF110
Littelfuse
1: $0.47
1,572In Stock
8,000Expected 13/10/2026

Mfr. Part No.
RUEF110

Mouser Part No
650-RUEF110

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 100A Imax

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Datasheet

1,572In Stock

8,000Expected 13/10/2026

$0.47

$0.409

$0.354

$0.297

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF

RUEF110-AP
Littelfuse
1: $0.55
1,966In Stock

Mfr. Part No.
RUEF110-AP

Mouser Part No
650-RUEF110-AP

Littelfuse

Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF

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Datasheet

1,966In Stock

Cut Tape

$0.55

$0.504

$0.419

$0.385

View

Reel

$0.237

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S
Littelfuse
1: $0.55
311In Stock

Mfr. Part No.
RUEF110S

Mouser Part No
650-RUEF110S

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 40A Imax

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Datasheet

311In Stock

$0.55

$0.503

$0.472

$0.356

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135-2
Littelfuse
1: $0.57
4,420In Stock

Mfr. Part No.
RUEF135-2

Mouser Part No
650-RUEF135-2

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

4,420In Stock

Cut Tape

$0.57

$0.518

$0.43

$0.397

Reel

$0.228

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF

RUEF135-AP
Littelfuse
1: $0.57
2,910In Stock

Mfr. Part No.
RUEF135-AP

Mouser Part No
650-RUEF135-AP

Littelfuse

Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF

Learn More

Datasheet

2,910In Stock

Cut Tape

$0.57

$0.518

$0.43

$0.397

View

Reel

$0.244

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135S
Littelfuse
1: $0.54
105In Stock

Mfr. Part No.
RUEF135S

Mouser Part No
650-RUEF135S

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

105In Stock

$0.54

$0.498

$0.413

$0.368

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160-2
Littelfuse
1: $0.58
2,106In Stock
3,000Expected 14/10/2026

Mfr. Part No.
RUEF160-2

Mouser Part No
650-RUEF160-2

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

2,106In Stock

3,000Expected 14/10/2026

Cut Tape

$0.58

$0.528

$0.439

$0.405

Reel

$0.232

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160S
Littelfuse
1: $0.46
679In Stock

Mfr. Part No.
RUEF160S

Mouser Part No
650-RUEF160S

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

679In Stock

$0.46

$0.423

$0.352

$0.325

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185-1
Littelfuse
1: $0.50
551In Stock

Mfr. Part No.
RUEF185-1

Mouser Part No
650-RUEF185-1

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

551In Stock

$0.50

$0.461

$0.383

$0.354

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 40A Imax

RUEF185S
Littelfuse
1: $0.47
390In Stock

Mfr. Part No.
RUEF185S

Mouser Part No
650-RUEF185S

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 40A Imax

Learn More

Datasheet

390In Stock

$0.47

$0.432

$0.359

$0.331

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF

RUEF250-AP
Littelfuse
1: $0.78
1,433In Stock

Mfr. Part No.
RUEF250-AP

Mouser Part No
650-RUEF250-AP

Littelfuse

Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF

Learn More

Datasheet

1,433In Stock

Cut Tape

$0.78

$0.60

$0.562

$0.424

Reel

$0.309

View

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250S
Littelfuse
1: $0.49
212In Stock
500Expected 18/12/2026

Mfr. Part No.
RUEF250S

Mouser Part No
650-RUEF250S

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

212In Stock

500Expected 18/12/2026

$0.49

$0.444

$0.369

$0.34

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

RUEF250U
Littelfuse
1: $0.49
2,251In Stock

Mfr. Part No.
RUEF250U

Mouser Part No
650-RUEF250U

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

Learn More

Datasheet

2,251In Stock

$0.49

$0.444

$0.369

$0.34

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-AP
Littelfuse
1: $0.77
2,275In Stock

Mfr. Part No.
RUEF300-AP

Mouser Part No
650-RUEF300-AP

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

2,275In Stock

$0.77

$0.645

$0.587

$0.457

Reel

$0.316

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C

RUEF300K
Littelfuse
1: $0.52
185In Stock

Mfr. Part No.
RUEF300K

Mouser Part No
650-RUEF300K

Littelfuse

Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C

Learn More

Datasheet

185In Stock

$0.52

$0.476

$0.395

$0.365

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300K-2
Littelfuse
1: $0.64
1,717In Stock
2,500Expected 01/09/2026

Mfr. Part No.
RUEF300K-2

Mouser Part No
650-RUEF300K-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

1,717In Stock

2,500Expected 01/09/2026

Cut Tape

$0.64

$0.589

$0.489

$0.451

Reel

$0.265

View

Min.: 1
Mult.: 1

: 2,500

PLC Design Solutions

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